Get current pricing for Dayton Refrigerated Air D, 3Z534 SPEEDAIRE Dayton Speedaire Compressed Air Dryer Model 3z534. Rated For 100 Scfg @ 100 Psi, Refrigeration Compressor Hp 3/4, 115 Volt, 1 Ph, 15.1 Amp. Used R-1 . Product Category: Process Equipment, Sub Category: Process Dryers: